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IET Wiring Regulations 18th Edition Amendment 4 | Pre-order at E2GO

3 Phase Circuit Breakers

Protect your three‑phase installation with robust 3 phase circuit breakers, engineered for commercial and industrial use. With multiple ratings and options to suit most distribution boards, they offer dependable overload and short‑circuit protection while helping you maintain compliance with current regulations.

Items 1-12 of 65

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  • Eaton MCB 32A 10/15kA Trip Type D 3P
    Eaton MEM MCB 32A 10/15kA Trip Type D 3P - EMDH332

    Product Code: EMDH332

    Delivery Time:
    Next Working Day Delivery
    £54.95 £45.79
  • Eaton MCB 63A 10/15kA Trip Type B 3P
    Eaton MEM EMBH363 MCB 63A 10/15kA Trip Type B Triple Pole

    Product Code: EMBH363

    Delivery Time:
    Next Working Day Delivery
    £67.92 £56.60
  • Eaton MCB 10A 10/15kA Trip Type C 1P
    Eaton MEM MCB 10A 10/15kA Trip Type C Single Pole - EMCH110

    Product Code: EMCH110

    Delivery Time:
    Next Working Day Delivery
    £12.82 £10.68
  • Eaton MCB 6A 10/15kA Trip Type B 1P
    Eaton MEM MCB 6A 10/15kA Trip Type B Single Pole - EMBH106

    Product Code: EMBH106

    Delivery Time:
    Next Working Day Delivery
    £13.43 £11.19
  • Eaton MCB 63A 10/15kA Trip Type B 1P
    Eaton MEM MCB 16A 10/15kA Trip Type D 1P - EMDH116

    Product Code: EMDH116

    Delivery Time:
    Next Working Day Delivery
    £13.27 £11.06
  • Eaton MCB 63A 10/15kA Trip Type C 3P
    Eaton MEM MCB 63A 10/15kA Trip Type C Triple Pole - EMCH363

    Product Code: EMCH363

    Delivery Time:
    Next Working Day Delivery
    £65.60 £54.67
  • Eaton MCB 50A 10/15kA Trip Type C 1P
    Eaton MEM MCB 50A 10/15kA Trip Type C Single Pole - EMCH150

    Product Code: EMCH150

    Delivery Time:
    Next Working Day Delivery
    £14.46 £12.05
  • Eaton RCBO 40A 10kA Trip Type B SP 30mA
    Eaton MEM RCBO 40A 10kA Trip Type B Single Phase 30mA - EMBH140R30C

    Product Code: EMBH140R30C

    Delivery Time:
    Next Working Day Delivery
    £45.42 £37.85
  • Memshield 3 Type A Incomer 100A 2P 300mA RCCB
    Eaton MEM Type A Incomer 100A 2P 300mA RCCB - EAMS100LE

    Product Code: EAMS100LE

    Delivery Time:
    From 7 - 8 Working Days
    £236.86 £197.38
  • Memshield 3 Type A Incomer 125A SPSN Switch Disconnector
    Eaton MEM Type A Incomer 125A SPSN Switch Disconnector - EAMS1251N

    Product Code: EAMS1251N

    Delivery Time:
    Next Working Day Delivery
    £21.00 £17.50
  • Eaton MCB 40A 10/15kA Trip Type B 3P
    Eaton MEM EMBH340 MCB 40A 10/15kA Trip Type B Triple Pole

    Product Code: EMBH340

    Delivery Time:
    Next Working Day Delivery
    £66.72 £55.60
  • Eaton RCBO 16A 10kA Trip Type C 1P 30mA
    Eaton MEM RCBO 16A 10kA Trip Type C Single Phase 30mA - EMCH116R30C

    Product Code: EMCH116R30C

    Delivery Time:
    Next Working Day Delivery
    £45.42 £37.85

Help us stock the items you need

If there is something you require that is not on our site, simply give us a call on 01424 220384 or send us a message via our contact form and we’ll do our best to get it added to our online electrical wholesale store.

Trades Man Outside A VanTrustpilot Excellent Rating

Our 3 phase circuit breakers provide reliable protection for commercial and industrial electrical installations, safeguarding equipment and cabling from overloads and short circuits. Designed for three-phase distribution boards and control panels, they deliver consistent performance in demanding environments. Available in a range of current ratings and breaking capacities, these breakers are suitable for factories, workshops, warehouses and large plant rooms. Choose from leading manufacturers for compatibility with your existing systems and compliance with current BS EN standards. Easy to install and maintain, they offer a cost‑effective solution for safe three‑phase power management.